SOLUTION: A pitcher can throw a baseball 95 miles per hour. The ball travels at that speed for 56 feet, until it arrives at the batter. How many seconds, correct to the nearest thousandth of

Question 213467: A pitcher can throw a baseball 95 miles per hour. The ball travels at that speed for 56 feet, until it arrives at the batter. How many seconds, correct to the nearest thousandth of a second, does the batter have from the moment the ball is thrown, until it arrives.
Found 3 solutions by josmiceli, drj, MathTherapy:
Answer by josmiceli(19441)   (Show Source): You can put this solution on YOUR website!

I think (1 mi = 5280 ft)
(95 mi/hr)(5280 ft/ 1 mi) = 501600 ft/hr
ft
hr
(.000111643 hr)*(3600 sec/hr) = t in sec
sec
sec
Answer by drj(1380)   (Show Source): You can put this solution on YOUR website!
A pitcher can throw a baseball 95 miles per hour. The ball travels at that speed for 56 feet, until it arrives at the batter. How many seconds, correct to the nearest thousandth of a second, does the batter have from the moment the ball is thrown, until it arrives

Step 1.

Step 2. Time = 95 mph/56 feet * (5280 feet/mile) (1 hour/3600 seconds) = 2.488 seconds = 2.5 seconds.

where 1 mile = 5280 feet, 1 hour = 60 minutes = 3600 seconds

Step 3. Answer is 2.5 seconds.

I hope the above steps were helpful.

For FREE Step-By-Step videos in Introduction to Algebra, please visit http://www.FreedomUniversity.TV/courses/IntroAlgebra and for Trigonometry visit http://www.FreedomUniversity.TV/courses/Trigonometry.

Good luck in your studies!

Respectfully,
Dr J
Answer by MathTherapy(10552)   (Show Source): You can put this solution on YOUR website!
A pitcher can throw a baseball 95 miles per hour. The ball travels at that speed for 56 feet, until it arrives at the batter. How many seconds, correct to the nearest thousandth of a second, does the batter have from the moment the ball is thrown, until it arrives.

The easiect way is to 1st convert 56 feet to miles. Since 5,280 feet = 1 mile, then 56 feet = = 0.010606061 mile
We now use the formula, D = RT, or to find the time, in hours

Therefore, Time, or T, in hours = = 0.000111643 hour

Since 3,600 seconds = 1 hour, we now convert 0.000111643 to seconds by multiplying it by 3,600.

This gives us 0.000111643 * 3600 = 0.401913876, or of a second.
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